54545233421 has 48 divisors (see below), whose sum is σ = 67761308160. Its totient is φ = 43651046880.

The previous prime is 54545233411. The next prime is 54545233423. The reversal of 54545233421 is 12433254545.

It is not a de Polignac number, because 54545233421 - 2²² = 54541039117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54545233423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49995086 + ... + 49996176.

It is an arithmetic number, because the mean of its divisors is an integer number (1411693920).

Almost surely, 2^54545233421 is an apocalyptic number.

It is an amenable number.

54545233421 is a deficient number, since it is larger than the sum of its proper divisors (13216074739).

54545233421 is a wasteful number, since it uses less digits than its factorization.

54545233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1847 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

Adding to 54545233421 its reverse (12433254545), we get a palindrome (66978487966).

The spelling of 54545233421 in words is "fifty-four billion, five hundred forty-five million, two hundred thirty-three thousand, four hundred twenty-one".